The low-lying <a href="http://www.theroyallandscape.co.uk/landscape/savillbuilding/the-savill-building-design.cfm" target="_blank">Savill Building</a> serves as a curvy and welcoming gateway to The Royal Landscape of Windsor Great Park. Its low profile and curvaceous roof are reminiscent of a <a href="http://inhabitat.com/brazilian-leaf-house-by-mareines-and-patalano/">giant leaf</a>, and it was designed to nestle into the ground to assist in solar passive design without interrupting the tree line. The "gridshell’ roof is constructed from larch and clad with green oak sourced locally from The Crown Estate’s own sustainable Windsor Estate sources. With a large free spanning roof, the visitor center, which was designed by <a href="http://www.glennhowells.co.uk/content/public/110/0/10">Glenn Howell</a>, has a wide range of flexibility for indoor activities and offers beautiful views to the surrounding gardens.

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The Savill Building-Glenn Howells

Located in a corner of Windsor Great Park are the Savill Gardens, a popular tourist attraction and one of Britain’s greatest ornamental gardens.

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The Savill Building-Glenn Howells

The Savill Building serves as the visitor center and gateway to the gardens housing admissions, a restaurant, a large gift and a plant shop.

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The Savill Building-Glenn Howells

Most notably, the building features a large undulating wood roof that provides an open space 100 meters long and 10 meters high under a central dome.

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The Savill Building-Glenn Howells

The <a href="http://en.wikipedia.org/wiki/Savill_Building#Gridshell_Roof">gridshell roof </a>is supported by a steel beam running around the perimeter, held up on the garden side by angled steel legs.

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The Savill Building-Glenn Howells

A grid of larch using over 20 kilometres of timber, felled from sustainable forests on the estate, was used to create the structure of the roof.

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The Savill Building-Glenn Howells

The structural layer is then covered aluminum, insulation and finally an oak rainscreen to shed water.

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The Savill Building-Glenn Howells

Nestled into a hill on the north side, the building's temperature is moderated by the earth and partially covered with a <a href="http://inhabitat.com/tag/green-roof">green roof</a>.

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The Savill Building-Glenn Howells

The south side enjoys a large curved curtain to take in the views and the sun. <a href="http://inhabitat.com/tag/passive-solar-design">Passive solar design</a> assists the building to regulate temperatures and solar heat gain.

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The Savill Building-Glenn Howells

Felling of local trees to supply wood for the roof.

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The Savill Building-Glenn Howells

Glenn Howell collaborated with Buro Happold, Robert Haskins Waters Engineers, The Green Oak Carpentry Company and Inwood Developments to design and construct the building and especially the amazing and beautiful roof.

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The Savill Building-Glenn Howells

North and south elevation of the Savill Building.

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The Savill Building-Glenn Howells

The low-lying Savill Building serves as a curvy and welcoming gateway to The Royal Landscape of Windsor Great Park. Its low profile and curvaceous roof are reminiscent of a giant leaf, and it was designed to nestle into the ground to assist in solar passive design without interrupting the tree line. The "gridshell’ roof is constructed from larch and clad with green oak sourced locally from The Crown Estate’s own sustainable Windsor Estate sources. With a large free spanning roof, the visitor center, which was designed by Glenn Howell, has a wide range of flexibility for indoor activities and offers beautiful views to the surrounding gardens.